This cone-shaped brush is designed for use exclusively with the MC1245 Rotary Action steamer. It is designed to work with steam to remove stubborn stains and grime. It is intended for use in small, hard to reach spaces such as wheels, crevices and any other surface that will not be scratched or damaged by the nylon bristles. It is always recommended that you spot test the surface you wish to clean in an inconspicuous area to ensure that no surface scratching appears.This Nylon Cone-Shaped Brush, part number A1245-004, works with model MC1245.